The most important aging clock is not your biological age

Let's talk organ-specific aging clocks. The organ that ages first may pull the others with it.

Why Pickleball Is the Ultimate Longevity Sport

If you love it, play it better. If you hate it, steal the physiology: power, balance, reaction time, cardio, and play.

The one supplement I might throw away first

A new aging mechanism puts iron on trial, and it matters even if you never bought an iron pill.

Your sleep score is lying to you

It's not how long you sleep that matters most. The three sleep metrics that actually predict Alzheimer's risk — and what your wearable is quietly hiding from you.

The NIH tested 8 longevity supplements this year. All 8 failed.

The supplement Bryan Johnson takes - and sells - didn’t survive the NIH’s longevity trial.

Peptides get the hype. These amino acids get the results.

The leucine paradox, the $20 GlyNAC stack, and why your protein shake math changes at 50.

Your Supplement Might Contain Viagra, Lead, or Poison

The FDA Legally Cannot Stop It

Your Biological Age Test Might Be Lying to You

Your Brain Is Still Growing New Neurons.

Here's What Decides How Well It Does.

GRAIL's Cancer Test Just Failed Its Big Trial. Here's Why I Still Use It.

The full MCED landscape, my 5-layer screening protocol, and 8 quick hits in longevity science.

He didn't run until 66. At 82, he beats 20-yo athletes.

Plus: the first RCT to reverse biological aging, and the FDA's biggest move in years.

Why I prescribe Rapamycin - but not to most of my patients

Is 50% of your lifespan already "decided"?

My Unusual Body Recomp Stack

Why a $20 generic might rival the new $287M oral GLP-1s.

The longevity drug we've had all along? Plus Rapamycin, Dog Longevity, and More

Gray market peptides: A harm reduction guide

Stem Cells, Skin Longevity, and Why I'm Equally Excited and Skeptical

The latest innovations in longevity and regenerative medicine all in today's issue.

What is the Healthiest Flour? A Doctor's Dive into Wheat, Gluten-Free, and Healthy Alternatives for Baking

Fasting for Health and Longevity: Unlocking the Power of Metabolic Rejuvenation